Remove unnecessary Mocha stubs

Step 1 in #33162

[utilum + bogdanvlviv]

5 files changed, 18 insertions, 48 deletions

diff --git a/activerecord/test/cases/adapters/mysql2/active_schema_test.rb b/activerecord/test/cases/adapters/mysql2/active_schema_test.rb
index 976c5dde58..58fa39d18c 100644
--- a/activerecord/test/cases/adapters/mysql2/active_schema_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/active_schema_test.rb
@@ -158,7 +158,6 @@ class Mysql2ActiveSchemaTest < ActiveRecord::Mysql2TestCase
 
   def test_indexes_in_create
     ActiveRecord::Base.connection.stubs(:data_source_exists?).with(:temp).returns(false)
-    ActiveRecord::Base.connection.stubs(:index_name_exists?).with(:index_temp_on_zip).returns(false)
 
     expected = "CREATE TEMPORARY TABLE `temp` ( INDEX `index_temp_on_zip`  (`zip`)) AS SELECT id, name, zip FROM a_really_complicated_query"
     actual = ActiveRecord::Base.connection.create_table(:temp, temporary: true, as: "SELECT id, name, zip FROM a_really_complicated_query") do |t|
diff --git a/activerecord/test/cases/tasks/database_tasks_test.rb b/activerecord/test/cases/tasks/database_tasks_test.rb
index 60c7cb1bb4..a6f684a137 100644
--- a/activerecord/test/cases/tasks/database_tasks_test.rb
+++ b/activerecord/test/cases/tasks/database_tasks_test.rb
@@ -135,7 +135,7 @@ module ActiveRecord
 
     def test_ignores_remote_databases
       @configurations["development"].merge!("host" => "my.server.tld")
-      $stderr.stubs(:puts).returns(nil)
+      $stderr.stubs(:puts)
 
       assert_not_called(ActiveRecord::Tasks::DatabaseTasks, :create) do
         ActiveRecord::Tasks::DatabaseTasks.create_all
@@ -184,7 +184,7 @@ module ActiveRecord
       }
 
       ActiveRecord::Base.stubs(:configurations).returns(@configurations)
-      ActiveRecord::Base.stubs(:establish_connection).returns(true)
+      ActiveRecord::Base.stubs(:establish_connection)
     end
 
     def test_creates_current_environment_database
@@ -238,7 +238,7 @@ module ActiveRecord
     end
 
     def test_establishes_connection_for_the_given_environments
-      ActiveRecord::Tasks::DatabaseTasks.stubs(:create).returns true
+      ActiveRecord::Tasks::DatabaseTasks.stubs(:create)
 
       ActiveRecord::Base.expects(:establish_connection).with(:development)
 
@@ -257,7 +257,7 @@ module ActiveRecord
       }
 
       ActiveRecord::Base.stubs(:configurations).returns(@configurations)
-      ActiveRecord::Base.stubs(:establish_connection).returns(true)
+      ActiveRecord::Base.stubs(:establish_connection)
     end
 
     def test_creates_current_environment_database
@@ -319,7 +319,7 @@ module ActiveRecord
     end
 
     def test_establishes_connection_for_the_given_environments_config
-      ActiveRecord::Tasks::DatabaseTasks.stubs(:create).returns true
+      ActiveRecord::Tasks::DatabaseTasks.stubs(:create)
 
       ActiveRecord::Base.expects(:establish_connection).with(:development)
 
@@ -357,7 +357,7 @@ module ActiveRecord
 
     def test_ignores_remote_databases
       @configurations[:development].merge!("host" => "my.server.tld")
-      $stderr.stubs(:puts).returns(nil)
+      $stderr.stubs(:puts)
 
       assert_not_called(ActiveRecord::Tasks::DatabaseTasks, :drop) do
         ActiveRecord::Tasks::DatabaseTasks.drop_all
diff --git a/activerecord/test/cases/tasks/mysql_rake_test.rb b/activerecord/test/cases/tasks/mysql_rake_test.rb
index 6cddfaefeb..ddbff81e72 100644
--- a/activerecord/test/cases/tasks/mysql_rake_test.rb
+++ b/activerecord/test/cases/tasks/mysql_rake_test.rb
@@ -14,7 +14,7 @@ if current_adapter?(:Mysql2Adapter)
         }
 
         ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
+        ActiveRecord::Base.stubs(:establish_connection)
 
         $stdout, @original_stdout = StringIO.new, $stdout
         $stderr, @original_stderr = StringIO.new, $stderr
@@ -77,7 +77,6 @@ if current_adapter?(:Mysql2Adapter)
 
     class MysqlDBCreateWithInvalidPermissionsTest < ActiveRecord::TestCase
       def setup
-        @connection    = stub("Connection", create_database: true)
         @error         = Mysql2::Error.new("Invalid permissions")
         @configuration = {
           "adapter"  => "mysql2",
@@ -86,7 +85,6 @@ if current_adapter?(:Mysql2Adapter)
           "password" => "wossname"
         }
 
-        ActiveRecord::Base.stubs(:connection).returns(@connection)
         ActiveRecord::Base.stubs(:establish_connection).raises(@error)
 
         $stdout, @original_stdout = StringIO.new, $stdout
@@ -113,7 +111,7 @@ if current_adapter?(:Mysql2Adapter)
         }
 
         ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
+        ActiveRecord::Base.stubs(:establish_connection)
 
         $stdout, @original_stdout = StringIO.new, $stdout
         $stderr, @original_stderr = StringIO.new, $stderr
@@ -151,7 +149,7 @@ if current_adapter?(:Mysql2Adapter)
         }
 
         ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
+        ActiveRecord::Base.stubs(:establish_connection)
       end
 
       def test_establishes_connection_to_the_appropriate_database
@@ -185,7 +183,6 @@ if current_adapter?(:Mysql2Adapter)
         }
 
         ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
       end
 
       def test_db_retrieves_charset
@@ -203,7 +200,6 @@ if current_adapter?(:Mysql2Adapter)
         }
 
         ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
       end
 
       def test_db_retrieves_collation
diff --git a/activerecord/test/cases/tasks/postgresql_rake_test.rb b/activerecord/test/cases/tasks/postgresql_rake_test.rb
index a1a3700f07..bdce1cbd20 100644
--- a/activerecord/test/cases/tasks/postgresql_rake_test.rb
+++ b/activerecord/test/cases/tasks/postgresql_rake_test.rb
@@ -14,7 +14,7 @@ if current_adapter?(:PostgreSQLAdapter)
         }
 
         ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
+        ActiveRecord::Base.stubs(:establish_connection)
 
         $stdout, @original_stdout = StringIO.new, $stdout
         $stderr, @original_stderr = StringIO.new, $stderr
@@ -66,7 +66,7 @@ if current_adapter?(:PostgreSQLAdapter)
       def test_db_create_with_error_prints_message
         ActiveRecord::Base.stubs(:establish_connection).raises(Exception)
 
-        $stderr.stubs(:puts).returns(true)
+        $stderr.stubs(:puts)
         $stderr.expects(:puts).
           with("Couldn't create database for #{@configuration.inspect}")
 
@@ -99,7 +99,7 @@ if current_adapter?(:PostgreSQLAdapter)
         }
 
         ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
+        ActiveRecord::Base.stubs(:establish_connection)
 
         $stdout, @original_stdout = StringIO.new, $stdout
         $stderr, @original_stderr = StringIO.new, $stderr
@@ -141,8 +141,7 @@ if current_adapter?(:PostgreSQLAdapter)
         }
 
         ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:clear_active_connections!).returns(true)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
+        ActiveRecord::Base.stubs(:establish_connection)
       end
 
       def test_clears_active_connections
@@ -190,7 +189,7 @@ if current_adapter?(:PostgreSQLAdapter)
         }
 
         ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
+        ActiveRecord::Base.stubs(:establish_connection)
       end
 
       def test_db_retrieves_charset
@@ -208,7 +207,6 @@ if current_adapter?(:PostgreSQLAdapter)
         }
 
         ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
       end
 
       def test_db_retrieves_collation
@@ -219,16 +217,12 @@ if current_adapter?(:PostgreSQLAdapter)
 
     class PostgreSQLStructureDumpTest < ActiveRecord::TestCase
       def setup
-        @connection    = stub(schema_search_path: nil, structure_dump: true)
         @configuration = {
           "adapter"  => "postgresql",
           "database" => "my-app-db"
         }
         @filename = "/tmp/awesome-file.sql"
         FileUtils.touch(@filename)
-
-        ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
       end
 
       def teardown
@@ -358,14 +352,10 @@ if current_adapter?(:PostgreSQLAdapter)
 
     class PostgreSQLStructureLoadTest < ActiveRecord::TestCase
       def setup
-        @connection    = stub
         @configuration = {
           "adapter"  => "postgresql",
           "database" => "my-app-db"
         }
-
-        ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
       end
 
       def test_structure_load
diff --git a/activerecord/test/cases/tasks/sqlite_rake_test.rb b/activerecord/test/cases/tasks/sqlite_rake_test.rb
index d368a7a6ee..7b4cb51c56 100644
--- a/activerecord/test/cases/tasks/sqlite_rake_test.rb
+++ b/activerecord/test/cases/tasks/sqlite_rake_test.rb
@@ -9,15 +9,12 @@ if current_adapter?(:SQLite3Adapter)
     class SqliteDBCreateTest < ActiveRecord::TestCase
       def setup
         @database      = "db_create.sqlite3"
-        @connection    = stub :connection
         @configuration = {
           "adapter"  => "sqlite3",
           "database" => @database
         }
 
-        File.stubs(:exist?).returns(false)
-        ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
+        ActiveRecord::Base.stubs(:establish_connection)
 
         $stdout, @original_stdout = StringIO.new, $stdout
         $stderr, @original_stderr = StringIO.new, $stderr
@@ -49,7 +46,6 @@ if current_adapter?(:SQLite3Adapter)
 
       def test_db_create_with_file_does_nothing
         File.stubs(:exist?).returns(true)
-        $stderr.stubs(:puts).returns(nil)
 
         ActiveRecord::Base.expects(:establish_connection).never
 
@@ -84,7 +80,7 @@ if current_adapter?(:SQLite3Adapter)
 
         Pathname.stubs(:new).returns(@path)
         File.stubs(:join).returns("/former/relative/path")
-        FileUtils.stubs(:rm).returns(true)
+        FileUtils.stubs(:rm)
 
         $stdout, @original_stdout = StringIO.new, $stdout
         $stderr, @original_stderr = StringIO.new, $stderr
@@ -101,16 +97,13 @@ if current_adapter?(:SQLite3Adapter)
       end
 
       def test_removes_file_with_absolute_path
-        File.stubs(:exist?).returns(true)
-        @path.stubs(:absolute?).returns(true)
-
         FileUtils.expects(:rm).with("/absolute/path")
 
         ActiveRecord::Tasks::DatabaseTasks.drop @configuration, "/rails/root"
       end
 
       def test_generates_absolute_path_with_given_root
-        @path.stubs(:absolute?).returns(false)
+        @path.stubs(:absolute?)
 
         File.expects(:join).with("/rails/root", @path).
           returns("/former/relative/path")
@@ -119,8 +112,7 @@ if current_adapter?(:SQLite3Adapter)
       end
 
       def test_removes_file_with_relative_path
-        File.stubs(:exist?).returns(true)
-        @path.stubs(:absolute?).returns(false)
+        @path.stubs(:absolute?)
 
         FileUtils.expects(:rm).with("/former/relative/path")
 
@@ -143,9 +135,7 @@ if current_adapter?(:SQLite3Adapter)
           "database" => @database
         }
 
-        File.stubs(:exist?).returns(false)
         ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
       end
 
       def test_db_retrieves_charset
@@ -157,15 +147,10 @@ if current_adapter?(:SQLite3Adapter)
     class SqliteDBCollationTest < ActiveRecord::TestCase
       def setup
         @database      = "db_create.sqlite3"
-        @connection    = stub :connection
         @configuration = {
           "adapter"  => "sqlite3",
           "database" => @database
         }
-
-        File.stubs(:exist?).returns(false)
-        ActiveRecord::Base.stubs(:connection).returns(@connection)
-        ActiveRecord::Base.stubs(:establish_connection).returns(true)
       end
 
       def test_db_retrieves_collation